protected void createDefaultEditPolicies() {
		super.createDefaultEditPolicies();
		installEditPolicy(EditPolicyRoles.CREATION_ROLE,
			new CreationEditPolicy());
		installEditPolicy(EditPolicy.LAYOUT_ROLE, new XYLayoutEditPolicy());
		installEditPolicy(EditPolicy.CONTAINER_ROLE, new ContainerEditPolicy());
		// TODO: this edit policy get overriden by code at the end of this
		// function
		// may be this breaks some use cases; it needs to be checked
		installEditPolicy(EditPolicyRoles.DRAG_DROP_ROLE,
			new DiagramLinkDragDropEditPolicy());
		installEditPolicy(EditPolicy.GRAPHICAL_NODE_ROLE,
			new ContainerNodeEditPolicy());
		// Install an edit policy for snap
		installEditPolicy(EditPolicyRoles.SNAP_FEEDBACK_ROLE,
			new SnapFeedbackPolicy());
		installEditPolicy(EditPolicyRoles.DRAG_DROP_ROLE,
			new ShapeCompartmentDropEditPolicy());
		installEditPolicy(EditPolicyRoles.POPUPBAR_ROLE,
			new PopupBarEditPolicy());
	}

	protected void createDefaultEditPolicies() {
		super.createDefaultEditPolicies();
		installEditPolicy(EditPolicyRoles.SEMANTIC_ROLE, new ComponentComponentStateCompartmentItemSemanticEditPolicy());
		installEditPolicy(EditPolicyRoles.CREATION_ROLE, new CreationEditPolicyWithCustomReparent(
				MachineVisualIDRegistry.TYPED_INSTANCE));
		installEditPolicy(EditPolicyRoles.CANONICAL_ROLE, new ComponentComponentStateCompartmentCanonicalEditPolicy());
	}

	public List getTypesForPopupBar(IAdaptable host) {
		IGraphicalEditPart editPart = (IGraphicalEditPart) host.getAdapter(IGraphicalEditPart.class);
		if (editPart instanceof ModelEditPart) {
			ArrayList<IElementType> types = new ArrayList<IElementType>(1);
			types.add(MachineElementTypes.Machine_2001);
			return types;
		}
		if (editPart instanceof MachineEditPart) {
			ArrayList<IElementType> types = new ArrayList<IElementType>(1);
			types.add(MachineElementTypes.Component_3001);
			return types;
		}
		if (editPart instanceof ComponentStateCompartmentEditPart) {
			ArrayList<IElementType> types = new ArrayList<IElementType>(1);
			types.add(MachineElementTypes.State_3002);
			return types;
		}
		if (editPart instanceof StateComponentValueCompartmentEditPart) {
			ArrayList<IElementType> types = new ArrayList<IElementType>(1);
			types.add(MachineElementTypes.StateValue_3004);
			return types;
		}
		return Collections.EMPTY_LIST;
	}